Adding a certain compound to certain chemical reactions, such as: 4934-99-0, name is Methyl 3-hydroxycyclobutanecarboxylate, belongs to esters-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 4934-99-0, Quality Control of Methyl 3-hydroxycyclobutanecarboxylate
Methyl 3-(tert-butoxy)cyclobutane-1-carboxylate In a 30-mL round bottom flask purged and maintained with an inert atmosphere of nitrogen, methyl 3-hydroxycyclobutane-1-carboxylate (200 mg, 1.54 mmol, 1.00 equiv) and di-tert-butyl dicarbonate (771.4 mg, 3.53 mmol, 2.30 equiv) were mixed in dichloromethane (10 mL), to which was added magnesium perchlorate (34.3 mg, 0.15 mmol, 0.10 equiv) at room temperature. The resulting solution was then stirred for 16 h at 40 C. When the reaction was done, it was quenched with 10 mL water and the mixture was extracted with dichloromethane (3*10 mL). The organic layers were combined, dried over sodium sulfate and concentrated under reduced pressure. The residue was purified by prep-TLC eluting with ethyl acetate in petroleum ether (50%) to afford methyl 3-(tert-butoxy)cyclobutane-1-carboxylate (200 mg, 70%) as yellow oil. MS: m/z=187.1 [M+H]+.
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Reference:
Patent; Merck Patent GmbH; GAILLARD, Pascale; SEENISAMY, Jeyaprakashnarayanan; LIU-BUJALSKI, Lesley; CALDWELL, Richard D.; POTNICK, Justin; QIU, Hui; NEAGU, Constantin; JONES, Reinaldo; WON, Annie Cho; GOUTOPOULOS, Andreas; SHERER, Brian A.; JOHNSON, Theresa L.; GARDBERG, Anna; (234 pag.)US2016/96834; (2016); A1;,
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